Toothbrush



FIG. 1 is a top, front and right side perspective view of a toothbrushshowing our new design;

FIG. 2 is a reduced top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof where the left side viewis a mirror image;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a toothbrush, as shown and described.